most citedQuantum limits in the measurement of very small displacements in optical images

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quant-ph2008★ 36 cited

Experimental demonstration of frequency-degenerate bright EPR beams with a self-phase-locked optical parametric oscillator

Gaelle Keller, Virginia D'Auria, Nicolas Treps +3

We report the first experimental observation of bright EPR beams produced by a type-II optical parametric oscillator operating above threshold at frequency degeneracy. The degenera…